-/**
+/*
* RTP Depacketization of MP4A-LATM, RFC 3016
* Copyright (c) 2010 Martin Storsjo
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "avio_internal.h"
#include "rtpdec_formats.h"
#include "internal.h"
#include "libavutil/avstring.h"
#include "libavcodec/get_bits.h"
-#include <strings.h>
struct PayloadContext {
AVIOContext *dyn_buf;
uint32_t timestamp;
};
-static PayloadContext *latm_new_context(void)
+static void latm_close_context(PayloadContext *data)
{
- return av_mallocz(sizeof(PayloadContext));
-}
-
-static void latm_free_context(PayloadContext *data)
-{
- if (!data)
- return;
- if (data->dyn_buf) {
- uint8_t *p;
- url_close_dyn_buf(data->dyn_buf, &p);
- av_free(p);
- }
+ ffio_free_dyn_buf(&data->dyn_buf);
av_free(data->buf);
- av_free(data);
}
static int latm_parse_packet(AVFormatContext *ctx, PayloadContext *data,
AVStream *st, AVPacket *pkt, uint32_t *timestamp,
- const uint8_t *buf, int len, int flags)
+ const uint8_t *buf, int len, uint16_t seq,
+ int flags)
{
int ret, cur_len;
if (buf) {
if (!data->dyn_buf || data->timestamp != *timestamp) {
av_freep(&data->buf);
- if (data->dyn_buf)
- url_close_dyn_buf(data->dyn_buf, &data->buf);
- data->dyn_buf = NULL;
- av_freep(&data->buf);
+ ffio_free_dyn_buf(&data->dyn_buf);
data->timestamp = *timestamp;
- if ((ret = url_open_dyn_buf(&data->dyn_buf)) < 0)
+ if ((ret = avio_open_dyn_buf(&data->dyn_buf)) < 0)
return ret;
}
- put_buffer(data->dyn_buf, buf, len);
+ avio_write(data->dyn_buf, buf, len);
if (!(flags & RTP_FLAG_MARKER))
return AVERROR(EAGAIN);
av_free(data->buf);
- data->len = url_close_dyn_buf(data->dyn_buf, &data->buf);
+ data->len = avio_close_dyn_buf(data->dyn_buf, &data->buf);
data->dyn_buf = NULL;
data->pos = 0;
}
return data->pos < data->len;
}
-static int parse_fmtp_config(AVStream *st, char *value)
+static int parse_fmtp_config(AVStream *st, const char *value)
{
int len = ff_hex_to_data(NULL, value), i, ret = 0;
GetBitContext gb;
uint8_t *config;
- int audio_mux_version, same_time_framing, num_sub_frames,
- num_programs, num_layers;
+ int audio_mux_version, same_time_framing, num_programs, num_layers;
/* Pad this buffer, too, to avoid out of bounds reads with get_bits below */
- config = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
+ config = av_mallocz(len + AV_INPUT_BUFFER_PADDING_SIZE);
if (!config)
return AVERROR(ENOMEM);
ff_hex_to_data(config, value);
init_get_bits(&gb, config, len*8);
audio_mux_version = get_bits(&gb, 1);
same_time_framing = get_bits(&gb, 1);
- num_sub_frames = get_bits(&gb, 6);
+ skip_bits(&gb, 6); /* num_sub_frames */
num_programs = get_bits(&gb, 4);
num_layers = get_bits(&gb, 3);
if (audio_mux_version != 0 || same_time_framing != 1 || num_programs != 0 ||
av_freep(&st->codec->extradata);
st->codec->extradata_size = (get_bits_left(&gb) + 7)/8;
st->codec->extradata = av_mallocz(st->codec->extradata_size +
- FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) {
ret = AVERROR(ENOMEM);
goto end;
return ret;
}
-static int parse_fmtp(AVStream *stream, PayloadContext *data,
- char *attr, char *value)
+static int parse_fmtp(AVFormatContext *s,
+ AVStream *stream, PayloadContext *data,
+ const char *attr, const char *value)
{
int res;
} else if (!strcmp(attr, "cpresent")) {
int cpresent = atoi(value);
if (cpresent != 0)
- av_log_missing_feature(NULL, "RTP MP4A-LATM with in-band "
- "configuration", 1);
+ avpriv_request_sample(s,
+ "RTP MP4A-LATM with in-band configuration");
}
return 0;
{
const char *p;
+ if (st_index < 0)
+ return 0;
+
if (av_strstart(line, "fmtp:", &p))
- return ff_parse_fmtp(s->streams[st_index], data, p, parse_fmtp);
+ return ff_parse_fmtp(s, s->streams[st_index], data, p, parse_fmtp);
return 0;
}
RTPDynamicProtocolHandler ff_mp4a_latm_dynamic_handler = {
.enc_name = "MP4A-LATM",
.codec_type = AVMEDIA_TYPE_AUDIO,
- .codec_id = CODEC_ID_AAC,
+ .codec_id = AV_CODEC_ID_AAC,
+ .priv_data_size = sizeof(PayloadContext),
.parse_sdp_a_line = latm_parse_sdp_line,
- .open = latm_new_context,
- .close = latm_free_context,
- .parse_packet = latm_parse_packet
+ .close = latm_close_context,
+ .parse_packet = latm_parse_packet,
};
projects / ffmpeg / blobdiff